Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stabil...
这些实生苗可以在田间把所需要的品种芽接上.These seedlings may be budded in the field to desired varieties.必须把所需品种的接穗用芽接或枝接的方法嫁接在选定的根砧上.It is necessary to bud or graft wood of desired varieties into selected roots.芽接:接穗为枝条上的芽体的一种嫁接方式.A type o...
He was watching a performance from the balcony.他正在从楼厅上看电影。The balcony juts out over the swimming pool.阳台伸出在游泳池上方.Chris unhooked the shutters and went out on the balcony.克里斯拉开百叶窗，走到了阳台上。A balcony overhangs the door below ...
The OPPLC was conformed by differential scanning calorimetry ( DSC ).差热分析 ( DSC ) 的结果表明形成了OPPLC这一新的物相.She was nervous and kept scanning the crowd for Paul.她很紧张，眼睛不停地在人群中搜寻保罗。The thermal denaturation of chicken ovalbumin ...
He vanished after you fixed him with a job.你给他安排好工作后他就突然不见了。Anne vanished from outside her home last Wednesday.安妮上周三突然在家门外失踪了。He walked through—and vanished. Poof! Like that.他走了过去，然后就嗖的一下子不见了。...
Entertaining in style needn't mean spending lavishly.待客隆重并不意味着要大肆铺张。The room was lavishly decorated with tinsel and holly.房间用了大量的金属箔和冬青枝装饰,十分奢华.He went on spending lavishly until his money was at the end.他继续挥霍无度,直到把...